From: Dan Mick <dan.mick@inktank.com>
Date: Wed, 17 Oct 2012 01:22:35 +0000 (-0700)
Subject: rbd: reject negative size (can make image that is hard to delete)
X-Git-Tag: v0.55~271
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ee20cd02abd2b0c08f075e89f819eadfaccf7ee2;p=ceph.git

rbd: reject negative size (can make image that is hard to delete)

Signed-off-by: Dan Mick <dan.mick@inktank.com>
---

diff --git a/src/rbd.cc b/src/rbd.cc
index ce638d99f787..76af1325e699 100644
--- a/src/rbd.cc
+++ b/src/rbd.cc
@@ -1330,6 +1330,10 @@ int main(int argc, const char **argv)
 	cerr << "rbd: " << err.str() << std::endl;
 	return EXIT_FAILURE;
       }
+      if (sizell < 0) {
+	cerr << "rbd: size must be > 0" << std::endl;
+	return EXIT_FAILURE;
+      }
       size = sizell << 20;   // bytes to MB
     } else if (ceph_argparse_flag(args, i, "-l", "--long", (char*)NULL)) {
       lflag = true;